- Coherent Inc.
- Sharp Corporation
- Nichia Corporation
- Finisar Corporation
- IPG Photonics Corporation
- Han’s Laser Technology Ind Group Co. Ltd
- Sumitomo Electric Industries Ltd
- Axcel Photonics Inc.
- Newport Corporation
- Panasonic Semiconductor Solutions Co. Ltd
- Rohm Company Limited
- Hamamatsu Photonics KK
- Jenoptik AG
- Trumpf GmbH + Co. KG